<template>
  <div class="page-login">
    <div class="page-login--layer page-login--layer-area">
      <!-- <ul class="circles">
        <li v-for="n in 10" :key="n"></li>
      </ul> -->
    </div>
    <div
      class="page-login--layer page-login--layer-time"
      flex="main:center cross:center">
      {{time}}
    </div>
    <div class="page-login--layer">
      <div
        class="page-login--content"
        flex="dir:top main:justify cross:center box:justify">
        <div class="page-login--content-header">
          <p class="page-login--content-header-motto">
            <!-- 时间是一切财富中最宝贵的财富。 <span>—— 德奥弗拉斯多</span> -->
          </p>
        </div>
        <div
          class="page-login--content-main"
          flex="dir:top main:center cross:center">
          <!-- logo -->
          <h1 class="head">
            虎丘区农业用地经营权退出管理系统
          </h1>
          <!-- 表单 -->
          <div class="page-login--form">
            <el-card shadow="never">
              <el-form ref="loginForm" label-position="top" :rules="rules" :model="formLogin" size="default">
                <el-form-item prop="username">
                  <el-input type="text" v-model="formLogin.username" placeholder="用户名">
                    <i slot="prepend" class="fa fa-user-circle-o"></i>
                  </el-input>
                </el-form-item>
                <el-form-item prop="password">
                  <el-input type="password" v-model="formLogin.password" placeholder="密码">
                    <i slot="prepend" class="fa fa-keyboard-o"></i>
                  </el-input>
                </el-form-item>
                <el-form-item prop="code">
                  <el-input type="text" v-model="formLogin.code" placeholder="- - - -">
                    <template slot="prepend">验证码</template>
                    <template slot="append">
                      <img class="login-code" src="./image/login-code.png">
                    </template>
                  </el-input>
                </el-form-item>
                <el-button size="default" @click="submit" type="primary" class="button-login">登录</el-button>
              </el-form>
            </el-card>
            <p
              class="page-login--options"
              flex="main:justify cross:center">
              <span><d2-icon name="question-circle"/> 忘记密码</span>
              <span>注册用户</span>
            </p>
            <!-- 快速登录按钮 -->
            <el-button class="page-login--quick" size="default" type="info" @click="dialogVisible = true">
              快速选择用户（测试功能）
            </el-button>
          </div>
        </div>
        <div class="page-login--content-footer">
          <p class="page-login--content-footer-options">
            <a href="#">帮助</a>
            <a href="#">隐私</a>
            <a href="#">条款</a>
          </p>
          <p class="page-login--content-footer-copyright">
            Copyright <d2-icon name="copyright"/> 2018 D2 Projects 开源组织出品 <a href="https://github.com/FairyEver">@FairyEver</a>
          </p>
        </div>
      </div>
    </div>
    <el-dialog
      title="快速选择用户"
      :visible.sync="dialogVisible"
      width="400px">
      <el-row :gutter="10" style="margin: -20px 0px -10px 0px;">
        <el-col v-for="(user, index) in users" :key="index" :span="8">
          <div class="page-login--quick-user" @click="handleUserBtnClick(user)">
            <d2-icon name="user-circle-o"/>
            <span>{{user.name}}</span>
          </div>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
import dayjs from 'dayjs'
import { mapActions } from 'vuex'
export default {
  data () {
    return {
      timeInterval: null,
      time: dayjs().format('HH:mm:ss'),
      // 快速选择用户
      dialogVisible: false,
      users: [
        {
          name: '管理员',
          username: 'admin',
          password: 'admin'
        },
        {
          name: '编辑',
          username: 'editor',
          password: 'editor'
        },
        {
          name: '用户1',
          username: 'user1',
          password: 'user1'
        }
      ],
      // 表单
      formLogin: {
        username: 'admin',
        password: 'admin',
        code: 'v9am'
      },
      // 校验
      rules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ],
        code: [
          { required: true, message: '请输入验证码', trigger: 'blur' }
        ]
      }
    }
  },
  mounted () {
    this.timeInterval = setInterval(() => {
      this.refreshTime()
    }, 1000)
  },
  beforeDestroy () {
    clearInterval(this.timeInterval)
  },
  methods: {
    ...mapActions('d2admin/account', [
      'login'
    ]),
    refreshTime () {
      this.time = dayjs().format('HH:mm:ss')
    },
    /**
     * @description 接收选择一个用户快速登录的事件
     * @param {Object} user 用户信息
     */
    handleUserBtnClick (user) {
      this.formLogin.username = user.username
      this.formLogin.password = user.password
      this.submit()
    },
    submitForm () {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.$axios
            .post('/api/ajaxLogin', {
              username: this.formLogin.username,
              password: this.formLogin.password
            })
            .then(successResponse => {
              this.responseResult = JSON.stringify(successResponse.data)
              if (successResponse.data.code === 200) {
                console.log('登陆信息' + successResponse.data.loginInfo.roleList)
                localStorage.setItem('ms_username', this.formLogin.username)
                localStorage.setItem('roles', successResponse.data.loginInfo.roleList)
                localStorage.setItem('permissions', successResponse.data.loginInfo.permissionList)
                this.$router.replace(this.$route.query.redirect || '/')
              }
              if (successResponse.data.code === 400) {
                let warnMessage = successResponse.data.message
                this.$message({
                  message: warnMessage,
                  type: 'warning'
                })
              }
            })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    /**
     * @description 提交表单
     */
    // 提交登录信息
    submit () {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          // 登录
          // 注意 这里的演示没有传验证码
          // 具体需要传递的数据请自行修改代码
          this.login({
            username: this.formLogin.username,
            password: this.formLogin.password
          })
            .then(() => {
              // 重定向对象不存在则返回顶层路径
              this.$router.replace(this.$route.query.redirect || '/')
            })
        } else {
          // 登录表单校验失败
          this.$message.error('表单校验失败')
        }
      })
    }
  }
}
</script>

<style lang="scss">
.head {
  color: #ffffff
}
.page-login {
  // @extend %unable-select;
  // $backgroundColor: #F0F2F5;
  // // ---
  // background-color: $backgroundColor;
  // height: 100%;
  // position: relative;
  position: relative;
  width: 100%;
  height: 100%;
  background-image: url(./image/back.jpg);
  background-size: 100%;
  // 层
  .page-login--layer {
    @extend %full;
    overflow: auto;
  }
  .page-login--layer-area {
    overflow: hidden;
  }
  // 时间
  .page-login--layer-time {
    font-size: 24em;
    font-weight: bold;
    color: rgba(0, 0, 0, 0.03);
    overflow: hidden;
  }
  // 登陆页面控件的容器
  .page-login--content {
    height: 100%;
    min-height: 500px;
  }
  // header
  .page-login--content-header {
    padding: 1em 0;
    .page-login--content-header-motto {
      margin: 0px;
      padding: 0px;
      color: $color-text-normal;
      text-align: center;
      font-size: 12px;
      span {
        color: $color-text-sub;
      }
    }
  }
  // main
  .page-login--logo {
    width: 240px;
    margin-bottom: 2em;
    margin-top: -2em;
  }
  // 登录表单
  .page-login--form {
    width: 280px;
    // 卡片
    .el-card {
      margin-bottom: 15px;
    }
    // 登录按钮
    .button-login {
      width: 100%;
    }
    // 输入框左边的图表区域缩窄
    .el-input-group__prepend {
      padding: 0px 14px;
    }
    .login-code {
      height: 40px - 2px;
      display: block;
      margin: 0px -20px;
      border-top-right-radius: 2px;
      border-bottom-right-radius: 2px;
    }
    // 登陆选项
    .page-login--options {
      margin: 0px;
      padding: 0px;
      font-size: 14px;
      color: $color-primary;
      margin-bottom: 15px;
      font-weight: bold;
    }
    .page-login--quick {
      width: 100%;
    }
  }
  // 快速选择用户面板
  .page-login--quick-user {
    @extend %flex-center-col;
    padding: 10px 0px;
    border-radius: 4px;
    &:hover {
      background-color: $color-bg;
      i {
        color: $color-text-normal;
      }
      span {
        color: $color-text-normal;
      }
    }
    i {
      font-size: 36px;
      color: $color-text-sub;
    }
    span {
      font-size: 12px;
      margin-top: 10px;
      color: $color-text-sub;
    }
  }
  // footer
  .page-login--content-footer {
    padding: 1em 0;
    .page-login--content-footer-options {
      padding: 0px;
      margin: 0px;
      margin-bottom: 10px;
      font-size: 14px;
      text-align: center;
      a {
        color: $color-text-normal;
        margin: 0 1em;
      }
    }
    .page-login--content-footer-copyright {
      padding: 0px;
      margin: 0px;
      font-size: 12px;
      color: $color-text-normal;
      a {
        color: $color-text-normal;
      }
    }
  }
  // 背景 --动画效果
  // .circles {
  //   position: absolute;
  //   top: 0;
  //   left: 0;
  //   width: 100%;
  //   height: 100%;
  //   overflow: hidden;
  //   li {
  //     position: absolute;
  //     display: block;
  //     list-style: none;
  //     width: 20px;
  //     height: 20px;
  //     background: #FFF;
  //     animation: animate 25s linear infinite;
  //     bottom: -200px;
  //     @keyframes animate {
  //       0%{
  //         transform: translateY(0) rotate(0deg);
  //         opacity: 1;
  //         border-radius: 0;
  //       }
  //       100%{
  //         transform: translateY(-1000px) rotate(720deg);
  //         opacity: 0;
  //         border-radius: 50%;
  //       }
  //     }
  //     &:nth-child(1) {
  //       left: 15%;
  //       width: 80px;
  //       height: 80px;
  //       animation-delay: 0s;
  //     }
  //     &:nth-child(2) {
  //       left: 5%;
  //       width: 20px;
  //       height: 20px;
  //       animation-delay: 2s;
  //       animation-duration: 12s;
  //     }
  //     &:nth-child(3) {
  //       left: 70%;
  //       width: 20px;
  //       height: 20px;
  //       animation-delay: 4s;
  //     }
  //     &:nth-child(4) {
  //       left: 40%;
  //       width: 60px;
  //       height: 60px;
  //       animation-delay: 0s;
  //       animation-duration: 18s;
  //     }
  //     &:nth-child(5) {
  //       left: 65%;
  //       width: 20px;
  //       height: 20px;
  //       animation-delay: 0s;
  //     }
  //     &:nth-child(6) {
  //       left: 75%;
  //       width: 150px;
  //       height: 150px;
  //       animation-delay: 3s;
  //     }
  //     &:nth-child(7) {
  //       left: 35%;
  //       width: 200px;
  //       height: 200px;
  //       animation-delay: 7s;
  //     }
  //     &:nth-child(8) {
  //       left: 50%;
  //       width: 25px;
  //       height: 25px;
  //       animation-delay: 15s;
  //       animation-duration: 45s;
  //     }
  //     &:nth-child(9) {
  //       left: 20%;
  //       width: 15px;
  //       height: 15px;
  //       animation-delay: 2s;
  //       animation-duration: 35s;
  //     }
  //     &:nth-child(10) {
  //       left: 85%;
  //       width: 150px;
  //       height: 150px;
  //       animation-delay: 0s;
  //       animation-duration: 11s;
  //     }
  //   }
}
</style>
